Loan serviceability is a lender’s assessment of whether a borrower can meet proposed repayments after income, expenses and existing commitments are considered. Each lender uses its own formula, so two lenders can reach different results from the same application.
A simple estimate starts with verified income, subtracts accepted living expenses and debt commitments, then applies the lender’s assessment rate to the proposed loan. The lender’s current policy decides which income is accepted and how each commitment is treated.
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What Goes Into The Assessment?
- Accepted employment, business, rental or other income
- Household living expenses
- Existing loan repayments and credit limits
- The proposed loan amount and term
- The lender’s assessment rate and policy buffers
The treatment of personal loans can reduce available cash flow. That affects the lender’s estimate of borrowing capacity. A strong credit history does not replace the affordability calculation.
A Practical Calculation
First calculate the assessed repayment using the lender’s current interest rates policy and proposed term. Add other required commitments. Subtract living costs and commitments from accepted net income. A positive remainder may support the application, but the lender still applies its full rules.
Debt limits available income. Debt Consolidation can change the structure, but it does not make debt disappear. Closing an unused credit facility may matter because some lenders assess the limit rather than the current balance.
What Serviceability Does Not Measure
Serviceability is different from credit scores and Loan-to-value. A borrower may pass one test and fail another. The chosen loan terms also affect the assessed repayment.
Keep transaction costs outside the borrowing estimate unless the lender’s policy says otherwise. Costs such as stamp duty still need to be funded and can reduce the cash available at settlement.
